* {
    margin: 0;
    padding: 0;
}

.at-list-style {
    position: absolute;
    background: #fff;
    color: #333;
    border: 1px solid #ccc;
    border-radius: 2px;
    padding: 2px;
    box-shadow: 0px 2px 8px 1px rgba(0, 0, 0, 0.2);
    z-index: 10001;
    display: none;
    overflow-x: hidden;
    overflow-y: hidden;
    border-radius: 4px;
    max-width: 135px;
    min-width: 50px;
}

.at-list-item-content, .at-list-item-title {
    font-family: Arial, 'Microsoft YaHei';
    font-size: 12px;
    padding: 6px 10px;
    cursor: pointer;
    list-style: none;
    overflow:hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    -o-text-overflow:ellipsis;
}

.at-list-item-active {
    color: #fa7d3c;
    background-color: #f2f2f5;
}

/* 自定义滚动条样式 */
/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
.at-list-style::-webkit-scrollbar {
    width: 7px;
    height: 7px;
    /* background-color: #F5F5F5; */
  }

/*定义滚动条轨道 内阴影+圆角*/
.at-list-style::-webkit-scrollbar-track {
    /* box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3); */
    /* -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3); */
    border-radius: 10px;
    /* background-color: #F5F5F5; */
}

/*定义滑块 内阴影+圆角*/
.at-list-style::-webkit-scrollbar-thumb {
    border-radius: 10px;
    box-shadow: #6c6e7180;
    -webkit-box-shadow: #6c6e7180;
    background-color: #6c6e7180;
    transition: opacity 0.2s linear;
}